12733818 has 8 divisors (see below), whose sum is σ = 25467648. Its totient is φ = 4244604.

The previous prime is 12733807. The next prime is 12733823. The reversal of 12733818 is 81833721.

12733818 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

12733818 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061146 + ... + 1061157.

It is an arithmetic number, because the mean of its divisors is an integer number (3183456).

Almost surely, 2^12733818 is an apocalyptic number.

12733818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12733818 is a wasteful number, since it uses less digits than its factorization.

12733818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122308.

The product of its digits is 8064, while the sum is 33.

The square root of 12733818 is about 3568.4475616156. The cubic root of 12733818 is about 233.5175610811.

The spelling of 12733818 in words is "twelve million, seven hundred thirty-three thousand, eight hundred eighteen".